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Accounts Payable and Accrued Expenses | 12 Months Ended
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Dec. 31, 2017
Payables and Accruals [Abstract] |
Accounts Payable and Accrued Expenses | Accounts Payable and Accrued Expenses Accounts payable and accrued expenses at December 31, 2017 and 2016 consist of the following:
| As of December 31,
| 2017 |  | 2016
Trade accounts payable, including from affiliated entity | $ | 7,564,830 |  |  | $ | 5,920,642 |
Accrued compensation | 7,997,152 |  |  | 6,531,983 |
Accrued subcontract costs | 3,746,937 |  |  | 5,475,359 |
Other accrued expenses | 3,969,879 |  |  | 1,669,803 |
| $ | 23,278,798 |  |  | $ | 19,597,787 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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